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53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
#ifndef OPENMW_MWPHYSICS_RAYCASTING_H
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#define OPENMW_MWPHYSICS_RAYCASTING_H
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#include <osg/Vec3f>
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#include "../mwworld/ptr.hpp"
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#include "collisiontype.hpp"
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namespace MWPhysics
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{
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class RayCastingResult
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{
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public:
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bool mHit;
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osg::Vec3f mHitPos;
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osg::Vec3f mHitNormal;
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MWWorld::Ptr mHitObject;
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};
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class RayCastingInterface
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{
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public:
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virtual ~RayCastingInterface() = default;
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/// Get distance from \a point to the collision shape of \a target. Uses a raycast to find where the
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/// target vector hits the collision shape and then calculates distance from the intersection point.
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/// This can be used to find out how much nearer we need to move to the target for a "getHitContact" to be
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/// successful. \note Only Actor targets are supported at the moment.
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virtual float getHitDistance(const osg::Vec3f& point, const MWWorld::ConstPtr& target) const = 0;
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/// @param me Optional, a Ptr to ignore in the list of results. targets are actors to filter for, ignoring all
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/// other actors.
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virtual RayCastingResult castRay(const osg::Vec3f& from, const osg::Vec3f& to,
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const MWWorld::ConstPtr& ignore = MWWorld::ConstPtr(),
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const std::vector<MWWorld::Ptr>& targets = std::vector<MWWorld::Ptr>(), int mask = CollisionType_Default,
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int group = 0xff) const = 0;
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RayCastingResult castRay(const osg::Vec3f& from, const osg::Vec3f& to, int mask) const
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{
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return castRay(from, to, MWWorld::ConstPtr(), std::vector<MWWorld::Ptr>(), mask);
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}
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virtual RayCastingResult castSphere(const osg::Vec3f& from, const osg::Vec3f& to, float radius,
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int mask = CollisionType_Default, int group = 0xff) const = 0;
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/// Return true if actor1 can see actor2.
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virtual bool getLineOfSight(const MWWorld::ConstPtr& actor1, const MWWorld::ConstPtr& actor2) const = 0;
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};
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}
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#endif
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